 # Electrical Engineering Questions And Answers :: Power Systems: part1 Exam2win > Engineering > Electrical Engineering > Power Systems > part1

Electrical Engineering : Power Systems QUESTIONS AND ANSWERS :: part1 : 16 to 20

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

 16.The impedance of a circuit is given by z=3+j4. Its conductance will be 1/3 3/5 3/25 4/5 ANSWER : : 3/25 Explanation :
 17.A consumer consume. 600 kWh per day at a load factor of 0.40. If the coneumer increases the load factor of 0.70 without increasing the maximum demand, what is the consumption of energy in kWh 950 kWh 1000 kWh 1050 kWh 1100 kWh ANSWER : : 1050 kWh Explanation :
 18.A 3-phase, 11 kv, 50 Hz, 200 kW load has a power factor of 0.8 lag. A delta connected 3-phase capacitor is used to improve the power factor to unity. The capacitance perphase of the capacitor in micro-farads is 3.948 1.316 0.439 11.844 ANSWER : : 1.316 Explanation :
 19.For a single phase overhead line having solid copper conductors of diameter 1 cm, spaced 60 cm between centers, the inductance in mH/km is 0.05 + 0.2 ln 60 0.2 ln 60 0.05 + 0.2 ln (6010.5) 0.2 ln (60/0.5) ANSWER : : 0.05 + 0.2 ln (6010.5) Explanation :
 20.The main consideration for higher and higher operating voltage of transmission is to increase the efficiency of transmission reduce power losses increase power transmission capability both (a) and (b) above ANSWER : : increase power transmission capability Explanation :

More Power Systems QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha The only place where success comes before work is in the dictionary.- Vidal Sassoon 